Intermediate frequency induction furnace melting copper with what dry pot?
The filler to the insulation cloth and the crucible, use a sharp object to play, a dozen layers, to tell the truth, very complicated things, if not, there will be consequences --- as filler, can with mullite sand, quartz sand and so on.
Select the appropriate size of the crucible, the size placed in the middle of the furnace ring, the gap has one point, just fine, and then wrapped inside the coil insulation cloth
Graphite crucible, because copper is non-magnetic metal, so the circuit needs to be heated by the crucible, and then the heat of the crucible will melt the copper metal
